What if your laptop was a tablet? Imagine—something sleek and easy to carry that still runs all of the software you need, such as Microsoft’s Word and Outlook, as well as your favorite document management software, redlining tools, and templates.

PC manufacturers have been trying this for years, but usually come up with plastic-clad behemoths neither easy to hold nor pleasant to use. It took Apple to show the computer industry what a tablet should look like. Now, Microsoft demonstrates what a tablet should do.